aboutsummaryrefslogtreecommitdiff
path: root/toys/head.c
diff options
context:
space:
mode:
Diffstat (limited to 'toys/head.c')
-rw-r--r--toys/head.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/toys/head.c b/toys/head.c
deleted file mode 100644
index 1d1e54a3..00000000
--- a/toys/head.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* vi: set sw=4 ts=4:
- *
- * head.c - copy first lines from input to stdout.
- *
- * Copyright 2006 Timothy Elliott <tle@holymonkey.com>
- *
- * See http://www.opengroup.org/onlinepubs/009695399/utilities/head.html
-
-USE_HEAD(NEWTOY(head, "n#<0=10", TOYFLAG_BIN))
-
-config HEAD
- bool "head"
- default y
- help
- usage: head [-n number] [file...]
-
- Copy first lines from files to stdout. If no files listed, copy from
- stdin. Filename "-" is a synonym for stdin.
-
- -n Number of lines to copy.
-*/
-
-#include "toys.h"
-
-DEFINE_GLOBALS(
- long lines;
- int file_no;
-)
-
-#define TT this.head
-
-static void do_head(int fd, char *name)
-{
- int i, len, lines=TT.lines, size=sizeof(toybuf);
-
- if (toys.optc > 1) {
- // Print an extra newline for all but the first file
- if (TT.file_no++) xprintf("\n");
- xprintf("==> %s <==\n", name);
- xflush();
- }
-
- while (lines) {
- len = read(fd, toybuf, size);
- if (len<0) {
- perror_msg("%s",name);
- toys.exitval = EXIT_FAILURE;
- }
- if (len<1) break;
-
- for(i=0; i<len;)
- if (toybuf[i++] == '\n' && !--lines) break;
-
- xwrite(1, toybuf, i);
- }
-}
-
-void head_main(void)
-{
- loopfiles(toys.optargs, do_head);
-}